UPDATED: Karen Duenas murdered in bed, expert testifies

Here are the 911 calls made by Mark Duenas of Cottonwood and his son, Jason, in connection with the May 5 death of Karen Duenas.

Murder defendant Mark Duenas of Cottonwood listens Tuesday to a 911 call he made to emergency dispatchers on the morning of his wife's death. Duenas is accused of killing his wife last year at their home.

Karen Duenas was stabbed to death as she was lying in her bed, a crime scene expert testified today in the murder trial of the Cottonwood woman's husband.